Analysis
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max time kernel
150s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20250410-en -
resource tags
arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system -
submitted
14/04/2025, 12:40
Behavioral task
behavioral1
Sample
JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe
Resource
win10v2004-20250410-en
General
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Target
JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe
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Size
284KB
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MD5
b7c5f990db52ac75ce2a35d90fc2a6c7
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SHA1
44ad60efe1e65a5050247c5dbb2909711a968a71
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SHA256
9fb59f8cfcb48061a4aeac19e4e53c406014d39e75f1682a37358e8e80ff9914
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SHA512
7609f991b1219f9065d449f9e990203948d0f4f1f9ace310f43aaa33559c021127d717648e1671d5b02ea4e860757571a8f90b3210116f9c92aa46e53a23e2c8
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SSDEEP
6144:rD7cY2fgssM7Wirg9KXylmRiL+QMeC/i6isqX7UovnONztByipwxZLctl:rl8E4w5huat7UovONzbXwnel
Malware Config
Extracted
darkcomet
TEST
jamesonb.no-ip.biz:1604
DC_MUTEX-9VHT05G
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InstallPath
MSDCSC\msdcsc.exe
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gencode
XjfYLBiL07yM
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install
true
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offline_keylogger
true
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persistence
false
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reg_key
MicroUpdate
Signatures
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Darkcomet family
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe -
Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 5240 attrib.exe 5024 attrib.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3027557611-1484967174-339164627-1000\Control Panel\International\Geo\Nation JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe -
Deletes itself 1 IoCs
pid Process 2224 notepad.exe -
Executes dropped EXE 2 IoCs
pid Process 4036 msdcsc.exe 4672 msdcsc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3027557611-1484967174-339164627-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4036 set thread context of 4204 4036 msdcsc.exe 92 -
resource yara_rule behavioral1/memory/3928-0-0x0000000000400000-0x00000000004CA000-memory.dmp upx behavioral1/files/0x000c00000002407f-5.dat upx behavioral1/memory/4204-8-0x0000000000400000-0x00000000004CA000-memory.dmp upx behavioral1/memory/4036-11-0x0000000000400000-0x00000000004CA000-memory.dmp upx behavioral1/memory/3928-16-0x0000000000400000-0x00000000004CA000-memory.dmp upx behavioral1/memory/4672-13-0x0000000000400000-0x00000000004CA000-memory.dmp upx behavioral1/memory/4672-18-0x0000000000400000-0x00000000004CA000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 10 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language iexplore.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4204 iexplore.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe Token: SeSecurityPrivilege 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe Token: SeTakeOwnershipPrivilege 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe Token: SeLoadDriverPrivilege 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe Token: SeSystemProfilePrivilege 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe Token: SeSystemtimePrivilege 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe Token: SeProfSingleProcessPrivilege 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe Token: SeIncBasePriorityPrivilege 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe Token: SeCreatePagefilePrivilege 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe Token: SeBackupPrivilege 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe Token: SeRestorePrivilege 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe Token: SeShutdownPrivilege 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe Token: SeDebugPrivilege 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe Token: SeSystemEnvironmentPrivilege 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe Token: SeChangeNotifyPrivilege 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe Token: SeRemoteShutdownPrivilege 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe Token: SeUndockPrivilege 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe Token: SeManageVolumePrivilege 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe Token: SeImpersonatePrivilege 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe Token: SeCreateGlobalPrivilege 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe Token: 33 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe Token: 34 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe Token: 35 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe Token: 36 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe Token: SeIncreaseQuotaPrivilege 4036 msdcsc.exe Token: SeSecurityPrivilege 4036 msdcsc.exe Token: SeTakeOwnershipPrivilege 4036 msdcsc.exe Token: SeLoadDriverPrivilege 4036 msdcsc.exe Token: SeSystemProfilePrivilege 4036 msdcsc.exe Token: SeSystemtimePrivilege 4036 msdcsc.exe Token: SeProfSingleProcessPrivilege 4036 msdcsc.exe Token: SeIncBasePriorityPrivilege 4036 msdcsc.exe Token: SeCreatePagefilePrivilege 4036 msdcsc.exe Token: SeBackupPrivilege 4036 msdcsc.exe Token: SeRestorePrivilege 4036 msdcsc.exe Token: SeShutdownPrivilege 4036 msdcsc.exe Token: SeDebugPrivilege 4036 msdcsc.exe Token: SeSystemEnvironmentPrivilege 4036 msdcsc.exe Token: SeChangeNotifyPrivilege 4036 msdcsc.exe Token: SeRemoteShutdownPrivilege 4036 msdcsc.exe Token: SeUndockPrivilege 4036 msdcsc.exe Token: SeManageVolumePrivilege 4036 msdcsc.exe Token: SeImpersonatePrivilege 4036 msdcsc.exe Token: SeCreateGlobalPrivilege 4036 msdcsc.exe Token: 33 4036 msdcsc.exe Token: 34 4036 msdcsc.exe Token: 35 4036 msdcsc.exe Token: 36 4036 msdcsc.exe Token: SeIncreaseQuotaPrivilege 4204 iexplore.exe Token: SeSecurityPrivilege 4204 iexplore.exe Token: SeTakeOwnershipPrivilege 4204 iexplore.exe Token: SeLoadDriverPrivilege 4204 iexplore.exe Token: SeSystemProfilePrivilege 4204 iexplore.exe Token: SeSystemtimePrivilege 4204 iexplore.exe Token: SeProfSingleProcessPrivilege 4204 iexplore.exe Token: SeIncBasePriorityPrivilege 4204 iexplore.exe Token: SeCreatePagefilePrivilege 4204 iexplore.exe Token: SeBackupPrivilege 4204 iexplore.exe Token: SeRestorePrivilege 4204 iexplore.exe Token: SeShutdownPrivilege 4204 iexplore.exe Token: SeDebugPrivilege 4204 iexplore.exe Token: SeSystemEnvironmentPrivilege 4204 iexplore.exe Token: SeChangeNotifyPrivilege 4204 iexplore.exe Token: SeRemoteShutdownPrivilege 4204 iexplore.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4204 iexplore.exe -
Suspicious use of WriteProcessMemory 62 IoCs
description pid Process procid_target PID 3440 wrote to memory of 4036 3440 cmd.exe 89 PID 3440 wrote to memory of 4036 3440 cmd.exe 89 PID 3440 wrote to memory of 4036 3440 cmd.exe 89 PID 3928 wrote to memory of 468 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe 90 PID 3928 wrote to memory of 468 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe 90 PID 3928 wrote to memory of 468 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe 90 PID 4036 wrote to memory of 4204 4036 msdcsc.exe 92 PID 4036 wrote to memory of 4204 4036 msdcsc.exe 92 PID 4036 wrote to memory of 4204 4036 msdcsc.exe 92 PID 3928 wrote to memory of 2920 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe 93 PID 3928 wrote to memory of 2920 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe 93 PID 3928 wrote to memory of 2920 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe 93 PID 4036 wrote to memory of 4204 4036 msdcsc.exe 92 PID 4036 wrote to memory of 4204 4036 msdcsc.exe 92 PID 3928 wrote to memory of 2224 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe 94 PID 3928 wrote to memory of 2224 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe 94 PID 3928 wrote to memory of 2224 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe 94 PID 3928 wrote to memory of 2224 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe 94 PID 3928 wrote to memory of 2224 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe 94 PID 3928 wrote to memory of 2224 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe 94 PID 3928 wrote to memory of 2224 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe 94 PID 3928 wrote to memory of 2224 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe 94 PID 3928 wrote to memory of 2224 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe 94 PID 3928 wrote to memory of 2224 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe 94 PID 3928 wrote to memory of 2224 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe 94 PID 3928 wrote to memory of 2224 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe 94 PID 3928 wrote to memory of 2224 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe 94 PID 3928 wrote to memory of 2224 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe 94 PID 3928 wrote to memory of 2224 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe 94 PID 3928 wrote to memory of 2224 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe 94 PID 3928 wrote to memory of 2224 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe 94 PID 3928 wrote to memory of 4672 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe 96 PID 3928 wrote to memory of 4672 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe 96 PID 3928 wrote to memory of 4672 3928 JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe 96 PID 468 wrote to memory of 5240 468 cmd.exe 97 PID 468 wrote to memory of 5240 468 cmd.exe 97 PID 468 wrote to memory of 5240 468 cmd.exe 97 PID 4204 wrote to memory of 4684 4204 iexplore.exe 98 PID 4204 wrote to memory of 4684 4204 iexplore.exe 98 PID 4204 wrote to memory of 4684 4204 iexplore.exe 98 PID 4204 wrote to memory of 4684 4204 iexplore.exe 98 PID 4204 wrote to memory of 4684 4204 iexplore.exe 98 PID 4204 wrote to memory of 4684 4204 iexplore.exe 98 PID 4204 wrote to memory of 4684 4204 iexplore.exe 98 PID 4204 wrote to memory of 4684 4204 iexplore.exe 98 PID 4204 wrote to memory of 4684 4204 iexplore.exe 98 PID 4204 wrote to memory of 4684 4204 iexplore.exe 98 PID 4204 wrote to memory of 4684 4204 iexplore.exe 98 PID 4204 wrote to memory of 4684 4204 iexplore.exe 98 PID 4204 wrote to memory of 4684 4204 iexplore.exe 98 PID 4204 wrote to memory of 4684 4204 iexplore.exe 98 PID 4204 wrote to memory of 4684 4204 iexplore.exe 98 PID 4204 wrote to memory of 4684 4204 iexplore.exe 98 PID 4204 wrote to memory of 4684 4204 iexplore.exe 98 PID 4204 wrote to memory of 4684 4204 iexplore.exe 98 PID 4204 wrote to memory of 4684 4204 iexplore.exe 98 PID 4204 wrote to memory of 4684 4204 iexplore.exe 98 PID 4204 wrote to memory of 4684 4204 iexplore.exe 98 PID 4204 wrote to memory of 4684 4204 iexplore.exe 98 PID 2920 wrote to memory of 5024 2920 cmd.exe 99 PID 2920 wrote to memory of 5024 2920 cmd.exe 99 PID 2920 wrote to memory of 5024 2920 cmd.exe 99 -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 5240 attrib.exe 5024 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3928 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe" +s +h2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:468 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7.exe" +s +h3⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:5240
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2920 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp" +s +h3⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:5024
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C:\Windows\SysWOW64\notepad.exenotepad2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2224
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C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4672
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe1⤵
- Suspicious use of WriteProcessMemory
PID:3440 -
C:\Users\Admin\Documents\MSDCSC\msdcsc.exeC:\Users\Admin\Documents\MSDCSC\msdcsc.exe2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4036 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4204 -
C:\Windows\SysWOW64\notepad.exenotepad4⤵
- System Location Discovery: System Language Discovery
PID:4684
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Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
284KB
MD5b7c5f990db52ac75ce2a35d90fc2a6c7
SHA144ad60efe1e65a5050247c5dbb2909711a968a71
SHA2569fb59f8cfcb48061a4aeac19e4e53c406014d39e75f1682a37358e8e80ff9914
SHA5127609f991b1219f9065d449f9e990203948d0f4f1f9ace310f43aaa33559c021127d717648e1671d5b02ea4e860757571a8f90b3210116f9c92aa46e53a23e2c8